\existentialConstants {
  int x1, x2, x3, x4;
}
\problem {
((((-2*x3) + 4*x4 < -2 | 5*x1 + (-2*x3) + 1*x4 > -2) & (! ((-3*x2) + 4*x4 = 0) | (-1*x1) + 3*x3 + 4*x4 >= 0)) & ((3*x2 + 4*x3 + (-2*x4) < -2 & 2*x1 + 1*x2 + (-3*x3) + 2*x4 < 0) & (3*x2 + 2*x4 > 1 & 5*x2 + 1*x3 + 2*x4 < 0)))
}
